$ ntpq -pn
remote refid st t when poll reach delay offset jitter
==============================================================================
*210.173.160.27 133.243.236.19 2 u 82 256 377 27.716 3.128 0.636
+210.173.160.57 133.243.236.20 2 u 128 256 377 26.964 3.366 0.701
+210.173.160.87 133.243.236.20 2 u 147 256 377 27.669 2.567 0.993
